首页
登录
职称英语
Throughout history man has observed such natural cycles as the rising and se
Throughout history man has observed such natural cycles as the rising and se
游客
2024-04-02
35
管理
问题
Throughout history man has observed such natural cycles as the rising and setting of the sun, the ebb and flow of the ocean tides, and the changes of the seasons. The【C1】______nature of these events provided people with a measure of【C2】______about things to come and give them reason to reflect on their past and plan for their future. The regularity of such social activities as work hours, meal times, and holiday schedules【C3】______the extent to which human activity itself is organized in cycles.
Recently,【C4】______effort has been spent investigating the effect of various biological rhythms in the human body.【C5】______, interest in these rhythms at least in part results from man’s basic desire to predict future behavior.
The human body【C6】______a number of repeatable rhythms: heartbeats, breathing rates, brain waves and other physiological processes within the human machine.
Scientists studying rhythms in humans have measured sleep patterns and attention【C7】______over periods of several days, and have【C8】______the fact that the cycles exist and exert effects on physiological and sociological behavior. A common example is jet lag. A person’s traveling in the east-west direction across time zones【C9】______his sleep cycles—it may take several days to return to the【C10】______cycle or to readjust to a new one.
A)indicates E)considerable I)Certainly M)security
B)demonstrated F)upsets J)Thankfully N)exhibits
C)verifying G)disappoints K)spans O)limits
D)normal H)periodic L)gorgeous [br] 【C8】
选项
答案
B
解析
这里缺少谓语动词,根据空格前的have可判断时态是现在完成时。词库中只有demonstrated是过去分词形式,带入后表示“……证明了一个事实”。
转载请注明原文地址:https://tihaiku.com/zcyy/3537747.html
相关试题推荐
Informationgatheringhashadalonghistoryandtherearemanywaystodoi
Informationgatheringhashadalonghistoryandtherearemanywaystodoi
Informationgatheringhashadalonghistoryandtherearemanywaystodoi
Informationgatheringhashadalonghistoryandtherearemanywaystodoi
Everyyearthroughouttheworld【C1】______6,000earthquakesaredetected.The
Everyyearthroughouttheworld【C1】______6,000earthquakesaredetected.The
Everyyearthroughouttheworld【C1】______6,000earthquakesaredetected.The
Everyyearthroughouttheworld【C1】______6,000earthquakesaredetected.The
Everyyearthroughouttheworld【C1】______6,000earthquakesaredetected.The
Everyyearthroughouttheworld【C1】______6,000earthquakesaredetected.The
随机试题
Fornearly50years,Speckhasbeena______author,writing13booksincluding
JustlikeChinese,Westernersgivegiftsonmanyoccasions,suchas,onbirt
[originaltext]M:Hello,isthatJane?W:Speaking.M:Hi,Jane,thisisChrish
WhyisMr.ShinthankfulforMr.Marley?BecauseMr.Marleysentacopyofthe_
在教学活动中,教师不能满足于“授人以鱼”,更要做到“授人以渔”。这说明教学中应该
(2021年真题)证券公司自营业务投资范围包括() Ⅰ.计划在区域股权市场
晨尿比密的参考范围是()。A.1.005~1.015 B.1.015~1.0
某厅级机关计划选派1人前往海外进修公共管理,最合适的人选应具有如下条件:男性:通
除哪项外,均是活血化瘀药疏通血脉、祛除瘀血的药理学基础A.改善血液流变学 B.
施工单位负责人接到施工现场发生安全事故的报告后,应当在()小时内向事故发生地有关
最新回复
(
0
)